var vm = new Vue({
	el: "#app",
	data:{
		counter: 0,
		greetCounter:0,
		dbGreetCounter: 0
	},
	methods:{
		greet:function(str, e){
			console.log(str);
			console.log(e.target.tagName);
			this.greetCounter += 1;
		},
		dbGreet: function(event){
			this.dbGreetCounter += 1;
		}
	}
});
/**
 * 事件修饰符：
 * .stop
 * .prevent
 * .capture
 * .self
 * .once
 * .passive
 */
